[TechAssist] Re: [ My next question] Sharp Micro-wave oven - model R-930AK Won't heat
- From: "becyn" <becyn@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 21 Jun 2004 13:00:29 -0400
Leroy!
Ya gotta be CAREFUL, buddy!
Now that the horse is out of the barn...here's the "secret":
1) disconnect wires
2) press the retaining clip back with a small screwdriver.
3) hold the clip out of the way just enough so that the switch body can move
past it.
4) CAREFULLY rotate the switch on the plastic pin .
5) slide the switch off the pin.
Jim McVey
McVey Alltronix
327 Broadway
Newburgh Ny 12550
ph: 845 561 8383
fx: 845 561 9017
Consumer electronics &
computer service.
Factory authorized for
over twenty brands.
----- Original Message -----
From: "LeRoy Westlund" <llw@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, June 21, 2004 12:00 PM
Subject: [TechAssist] [ My next question] Sharp Micro-wave oven - model
R-930AK Won't heat
> Jim, and All,
> OK,...I found the bottom switch to be defective.
> My next question is: How do you guys go about removing the defective
switch,
> with out breaking the plastic tabs that hold it in place, and the plastic
> guide that slips into one of the holes on the switch ? Last time I tried
to
> replace one of these, I ended up having to drill a hole, and installing a
> screw in the new switch. Is there a SECRET that I don't know about ?
>
> Thanks,
> LLW
>
> LeRoy Westlund
> Westlund TV & Electronics
> 97 North Main "Where there's a will,...
> Centerfield, UT 84622-0087 There's always a way."
> Ph./Fax 435-528-3822
> mailto:LLW@xxxxxxxxxx
>
> -----Original Message-----
> From: becyn <becyn@xxxxxxxxxx>
> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> Date: Friday, June 18, 2004 9:29 AM
> Subject: [TechAssist] Re: Sharp Micro-wave oven - model R-930AK Won't heat
>
>
> >Leroy,
> >
> >I took a look at the sheet for this one. It is possible for the mag fan
to
> >run independently on this model. If you have no power to the the HV
> >transformer primary, then the path to consider is the contacts of Ry1
and
> >the primry interlock relay RY2 which is controlled by a door sensing
> switch.
> >The door sensor is at the top of the stack. I have also seen burned sec
> >interlock switches at the bottom. Sometimes they are defective but test
OK
> >out of cicuit.
> >It's rare that the contoller will be the problem but possible.
> >
> >Jim McVey
> >McVey Alltronix
> >327 Broadway
> >Newburgh Ny 12550
> >ph: 845 561 8383
> >fx: 845 561 9017
> >Consumer electronics &
> >computer service.
> >Factory authorized for
> >over twenty brands.
> >
> >
> >----- Original Message -----
> >From: "LeRoy Westlund" <llw@xxxxxxxxxx>
> >To: <techassist@xxxxxxxxxxxxx>
> >Sent: Thursday, June 17, 2004 9:14 PM
> >Subject: [TechAssist] Re: Sharp Micro-wave oven - model R-930AK Won't
heat
> >
> >
> >> The fan runs normal.
> >> All 3 of the door switches check good.
> >> Maybe the relay is bad.
> >> I'll pull the control board and check for bad connections on the
printed
> >> ckt.
> >>
> >> LLW
> >>
> >> LeRoy Westlund
> >> Westlund TV & Electronics
> >> 97 North Main "Where there's a will,...
> >> Centerfield, UT 84622-0087 There's always a way."
> >> Ph./Fax 435-528-3822
> >> mailto:LLW@xxxxxxxxxx
> >>
> >> -----Original Message-----
> >> From: becyn <becyn@xxxxxxxxxx>
> >> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> >> Date: Thursday, June 17, 2004 5:38 PM
> >> Subject: [TechAssist] Re: Sharp Micro-wave oven - model R-930AK Won't
> heat
> >>
> >>
> >> >wow! so much for tips! The thermister is for the the convection mode.
It
> >> has
> >> >nothing to do with the microwave function!
> >> >You probably have a bad lockout microswitch
> >> >if the mag fan doesn't run.
> >> >
> >> >Jim McVey
> >> >McVey Alltronix
> >> >327 Broadway
> >> >Newburgh Ny 12550
> >> >ph: 845 561 8383
> >> >fx: 845 561 9017
> >> >Consumer electronics &
> >> >computer service.
> >> >Factory authorized for
> >> >over twenty brands.
> >> >
> >> >
> >> >----- Original Message -----
> >> >From: "LeRoy Westlund" <llw@xxxxxxxxxx>
> >> >To: "TechAssist" <techassist@xxxxxxxxxxxxx>
> >> >Sent: Thursday, June 17, 2004 6:53 PM
> >> >Subject: [TechAssist] Sharp Micro-wave oven - model R-930AK Won't heat
> >> >
> >> >
> >> >> Hi members,
> >> >> This Sharp micro-wave oven won't heat.
> >> >> Control panel counts down OK, but has no 115 A/C volts driving the
> high
> >> >> voltage transformer. The Primary interlock relay RY-2 is not
> >activating.
> >> >> Also, the turn table does not turn.
> >> >> I found a fix in Jeff's Intrepid CD program that said to replace the
> >> >> Temperature thermistor part # FH-HZA041WREO.
> >> >> I found the thermistor, but it measures 235K ohm across it. Do you
> >think
> >> >> that reading is too high ? Shouldn't a good thermistor read much
less
> >> then
> >> >> that ? Does anyone have one they could measure, to confirm that this
> >part
> >> >is
> >> >> bad. I hate to order one, if it won't fix the problem.
> >> >>
> >> >> TIA,
> >> >> LLW
> >> >>
> >> >> LeRoy Westlund
> >> >> Westlund TV & Electronics
> >> >> 97 North Main "Where there's a
will,...
> >> >> Centerfield, UT 84622-0087 There's always a way."
> >> >> Ph./Fax 435-528-3822
> >> >> mailto:LLW@xxxxxxxxxx
> >> >>
> >> >>
> >> >>
> >>
>
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